package com.cyy.springbootinit.controller;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cyy.springbootinit.annotation.AuthCheck;
import com.cyy.springbootinit.common.BaseResponse;
import com.cyy.springbootinit.common.DeleteRequest;
import com.cyy.springbootinit.common.ErrorCode;
import com.cyy.springbootinit.common.ResultUtils;
import com.cyy.springbootinit.constant.UserConstant;
import com.cyy.springbootinit.exception.BusinessException;
import com.cyy.springbootinit.exception.ThrowUtils;
import com.cyy.springbootinit.model.dto.building.BuildingAddRequest;
import com.cyy.springbootinit.model.dto.building.BuildingEditRequest;
import com.cyy.springbootinit.model.dto.building.BuildingQueryRequest;
import com.cyy.springbootinit.model.dto.building.BuildingUpdateRequest;
import com.cyy.springbootinit.model.entity.Building;
import com.cyy.springbootinit.model.entity.User;
import com.cyy.springbootinit.model.vo.BuildingVO;
import com.cyy.springbootinit.service.BuildingService;
import com.cyy.springbootinit.service.UserService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;

/**
 * 楼宇接口
 *
 * @author 程序员cyy</a>
 * @from cyy</a>
 */
@RestController
@RequestMapping("/building")
@Slf4j
public class BuildingController {

    @Resource
    private BuildingService buildingService;

    @Resource
    private UserService userService;

    // region 增删改查

    /**
     * 创建楼宇
     *
     * @param buildingAddRequest
     * @param request
     * @return
     */
    @PostMapping("/add")
    public BaseResponse<Long> addBuilding(@RequestBody BuildingAddRequest buildingAddRequest, HttpServletRequest request) {
        ThrowUtils.throwIf(buildingAddRequest == null, ErrorCode.PARAMS_ERROR);
        // todo 在此处将实体类和 DTO 进行转换
        Building building = new Building();
        BeanUtils.copyProperties(buildingAddRequest, building);
        // 数据校验
        buildingService.validBuilding(building, true);
        // todo 填充默认值
        User loginUser = userService.getLoginUser(request);
        //building.setUserId(loginUser.getId());
        // 写入数据库
        boolean result = buildingService.save(building);
        ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR);
        // 返回新写入的数据 id
        long newBuildingId = building.getBuildingId();
        return ResultUtils.success(newBuildingId);
    }

    /**
     * 删除楼宇
     *
     * @param deleteRequest
     * @param request
     * @return
     */
    @PostMapping("/delete")
    public BaseResponse<Boolean> deleteBuilding(@RequestBody DeleteRequest deleteRequest, HttpServletRequest request) {
        if (deleteRequest == null || deleteRequest.getId() <= 0) {
            throw new BusinessException(ErrorCode.PARAMS_ERROR);
        }
        User user = userService.getLoginUser(request);
        long id = deleteRequest.getId();
        // 判断是否存在
        Building oldBuilding = buildingService.getById(id);
        ThrowUtils.throwIf(oldBuilding == null, ErrorCode.NOT_FOUND_ERROR);
        // 仅本人或管理员可删除
        if (!userService.isAdmin(request)) {
            throw new BusinessException(ErrorCode.NO_AUTH_ERROR);
        }
        // 操作数据库
        boolean result = buildingService.removeById(id);
        ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR);
        return ResultUtils.success(true);
    }

    /**
     * 更新楼宇（仅管理员可用）
     *
     * @param buildingUpdateRequest
     * @return
     */
    @PostMapping("/update")
    @AuthCheck(mustRole = UserConstant.ADMIN_ROLE)
    public BaseResponse<Boolean> updateBuilding(@RequestBody BuildingUpdateRequest buildingUpdateRequest) {
        if (buildingUpdateRequest == null || buildingUpdateRequest.getBuildingId()<= 0) {
            throw new BusinessException(ErrorCode.PARAMS_ERROR);
        }
        // todo 在此处将实体类和 DTO 进行转换
        Building building = new Building();
        BeanUtils.copyProperties(buildingUpdateRequest, building);
        // 数据校验
        buildingService.validBuilding(building, false);
        // 判断是否存在
        long id = buildingUpdateRequest.getBuildingId();
        Building oldBuilding = buildingService.getById(id);
        ThrowUtils.throwIf(oldBuilding == null, ErrorCode.NOT_FOUND_ERROR);
        // 操作数据库
        boolean result = buildingService.updateById(building);
        ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR);
        return ResultUtils.success(true);
    }

    /**
     * 根据 id 获取楼宇（封装类）
     *
     * @param id
     * @return
     */
    @GetMapping("/get/vo")
    public BaseResponse<BuildingVO> getBuildingVOById(long id, HttpServletRequest request) {
        ThrowUtils.throwIf(id <= 0, ErrorCode.PARAMS_ERROR);
        // 查询数据库
        Building building = buildingService.getById(id);
        ThrowUtils.throwIf(building == null, ErrorCode.NOT_FOUND_ERROR);
        // 获取封装类
        return ResultUtils.success(buildingService.getBuildingVO(building, request));
    }

    /**
     * 分页获取楼宇列表（仅管理员可用）
     *
     * @param buildingQueryRequest
     * @return
     */
    @PostMapping("/list/page")
    @AuthCheck(mustRole = UserConstant.ADMIN_ROLE)
    public BaseResponse<Page<Building>> listBuildingByPage(@RequestBody BuildingQueryRequest buildingQueryRequest) {
        long current = buildingQueryRequest.getCurrent();
        long size = buildingQueryRequest.getPageSize();
        // 查询数据库
        Page<Building> buildingPage = buildingService.page(new Page<>(current, size),
                buildingService.getQueryWrapper(buildingQueryRequest));
        return ResultUtils.success(buildingPage);
    }

    /**
     * 分页获取楼宇列表（封装类）
     *
     * @param buildingQueryRequest
     * @param request
     * @return
     */
    @PostMapping("/list/page/vo")
    public BaseResponse<Page<BuildingVO>> listBuildingVOByPage(@RequestBody BuildingQueryRequest buildingQueryRequest,
                                                               HttpServletRequest request) {
        long current = buildingQueryRequest.getCurrent();
        long size = buildingQueryRequest.getPageSize();
        // 限制爬虫
        ThrowUtils.throwIf(size > 20, ErrorCode.PARAMS_ERROR);
        // 查询数据库
        Page<Building> buildingPage = buildingService.page(new Page<>(current, size),
                buildingService.getQueryWrapper(buildingQueryRequest));
        // 获取封装类
        return ResultUtils.success(buildingService.getBuildingVOPage(buildingPage, request));
    }

    /**
     * 分页获取当前登录用户创建的楼宇列表
     *
     * @param buildingQueryRequest
     * @param request
     * @return
     */
    @PostMapping("/my/list/page/vo")
    public BaseResponse<Page<BuildingVO>> listMyBuildingVOByPage(@RequestBody BuildingQueryRequest buildingQueryRequest,
                                                                 HttpServletRequest request) {
        ThrowUtils.throwIf(buildingQueryRequest == null, ErrorCode.PARAMS_ERROR);
        // 补充查询条件，只查询当前登录用户的数据
        long current = buildingQueryRequest.getCurrent();
        long size = buildingQueryRequest.getPageSize();
        // 限制爬虫
        ThrowUtils.throwIf(size > 20, ErrorCode.PARAMS_ERROR);
        // 查询数据库
        Page<Building> buildingPage = buildingService.page(new Page<>(current, size),
                buildingService.getQueryWrapper(buildingQueryRequest));
        // 获取封装类
        return ResultUtils.success(buildingService.getBuildingVOPage(buildingPage, request));
    }

    /**
     * 编辑楼宇（给用户使用）
     *
     * @param buildingEditRequest
     * @param request
     * @return
     */
    @PostMapping("/edit")
    public BaseResponse<Boolean> editBuilding(@RequestBody BuildingEditRequest buildingEditRequest, HttpServletRequest request) {
        if (buildingEditRequest == null || buildingEditRequest.getBuildingId() <= 0) {
            throw new BusinessException(ErrorCode.PARAMS_ERROR);
        }
        // todo 在此处将实体类和 DTO 进行转换
        Building building = new Building();
        BeanUtils.copyProperties(buildingEditRequest, building);
        // 数据校验
        buildingService.validBuilding(building, false);
        User loginUser = userService.getLoginUser(request);
        // 判断是否存在
        long id = buildingEditRequest.getBuildingId();
        Building oldBuilding = buildingService.getById(id);
        ThrowUtils.throwIf(oldBuilding == null, ErrorCode.NOT_FOUND_ERROR);
        // 仅本人或管理员可编辑
        if (!userService.isAdmin(loginUser)) {
            throw new BusinessException(ErrorCode.NO_AUTH_ERROR);
        }
        // 操作数据库
        boolean result = buildingService.updateById(building);
        ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR);
        return ResultUtils.success(true);
    }

    // endregion
}
